001 // Copyright 2006, 2007, 2008 The Apache Software Foundation002 //003 // Licensed under the Apache License, Version 2.0 (the "License");004 // you may not use this file except in compliance with the License.005 // You may obtain a copy of the License at006 //007 // http://www.apache.org/licenses/LICENSE-2.0008 //009 // Unless required by applicable law or agreed to in writing, software010 // distributed under the License is distributed on an "AS IS" BASIS,011 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.012 // See the License for the specific language governing permissions and013 // limitations under the License.014015 package org.apache.tapestry5.internal.services;016017 import org.apache.tapestry5.internal.structure.Page;018 import org.apache.tapestry5.services.ComponentEventResultProcessor;019020 import java.io.IOException;021022 /**023 * Used when a component event handler returns a string value. The value is interpreted as the logical name of a page. A024 * link to the page will be sent as a redirect.025 */026 public class PageNameComponentEventResultProcessor implements ComponentEventResultProcessor<String>027 {028 private final RequestPageCache requestPageCache;029030 private final ActionRenderResponseGenerator generator;031032 public PageNameComponentEventResultProcessor(RequestPageCache requestPageCache,033 ActionRenderResponseGenerator generator)034 {035 this.requestPageCache = requestPageCache;036 this.generator = generator;037 }038039 public void processResultValue(String value) throws IOException040 {041 Page page = requestPageCache.get(value);042043 generator.generateResponse(page);044 }045 }